EP3733347A4 - Power tool - Google Patents

Power tool Download PDF

Info

Publication number: EP3733347A4
Authority: EP; European Patent Office
Prior art keywords: power tool; tool; power
Prior art date: 2017-12-28
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP18895951.4A

Other languages

German (de)

French (fr)

Other versions

EP3733347A1 (en

EP3733347B1 (en

Inventor

Tomohiro Ejiri

Masahiro Fujiwara

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Koki Holdings Co Ltd

Original Assignee

Koki Holdings Co Ltd

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2017-12-28

Filing date

2018-11-30

Publication date

2020-11-04

2018-11-30 Application filed by Koki Holdings Co Ltd filed Critical Koki Holdings Co Ltd

2020-11-04 Publication of EP3733347A4 publication Critical patent/EP3733347A4/en

2020-11-04 Publication of EP3733347A1 publication Critical patent/EP3733347A1/en

2023-03-22 Application granted granted Critical

2023-03-22 Publication of EP3733347B1 publication Critical patent/EP3733347B1/en

Status Active legal-status Critical Current

2038-11-30 Anticipated expiration legal-status Critical

Links

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/008—Cooling means
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
- B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor

EP18895951.4A 2017-12-28 2018-11-30 Power tool Active EP3733347B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2017253411		2017-12-28
PCT/JP2018/044199 WO2019130981A1 (en)	2017-12-28	2018-11-30	Power tool

Publications (3)

Publication Number	Publication Date
EP3733347A4 true EP3733347A4 (en)	2020-11-04
EP3733347A1 EP3733347A1 (en)	2020-11-04
EP3733347B1 EP3733347B1 (en)	2023-03-22

Family

ID=67067169

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP18895951.4A Active EP3733347B1 (en)	2017-12-28	2018-11-30	Power tool

Country Status (5)

Country	Link
US (1)	US11554476B2 (en)
EP (1)	EP3733347B1 (en)
JP (1)	JP6911944B2 (en)
CN (1)	CN111526971B (en)
WO (1)	WO2019130981A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102018114615A1 (en) *	2018-06-19	2019-12-19	SIKA Dr. Siebert & Kühn GmbH & Co. KG	Temperature Calibrator
DE102019207977A1 (en) *	2019-05-29	2020-12-03	Robert Bosch Gmbh	Cooling device for a hand machine tool
DE102020214816A1 (en) *	2019-12-30	2021-07-01	Robert Bosch Gesellschaft mit beschränkter Haftung	Electronic device and machine tool with the electronic device
US20220063047A1 (en) *	2020-08-28	2022-03-03	Black & Decker Inc.	Retention flange for power tool
EP4059662A1 (en) *	2021-03-18	2022-09-21	X'Pole Precision Tools Inc.	Grinding machine tool for reducing hotness of casing
CN116667584A (en) *	2022-02-18	2023-08-29	创科无线普通合伙	Working device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20050153636A1 (en) *	2004-01-08	2005-07-14	Makita Corporation	Power tools
US20100270877A1 (en) *	2007-11-08	2010-10-28	Florian Esenwein	Electric power tool with an electric motor
US20110148227A1 (en) *	2008-08-20	2011-06-23	Manfred Schuele	Power tool
JP2014097570A (en) *	2014-01-10	2014-05-29	Hitachi Koki Co Ltd	Electric tool

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Publication number	Priority date	Publication date	Assignee	Title
JPS58150484A (en)	1982-03-02	1983-09-07	石井　徹	Fruit sorting apparatus
JPS58150484U (en) *	1982-04-02	1983-10-08	日立工機株式会社	Electric tool handle heat retention mechanism
DE19839963A1 (en) *	1998-09-02	2000-03-09	Hilti Ag	Power tool
DE19924552A1 (en)	1999-05-28	2000-11-30	Hilti Ag	Electrically powered hand device e.g. electric screwdriver, has cooling air channel arranged downstream of electric motor and gearbox with outflow openings arranged to direct heated air away from user
AUPQ618800A0 (en) *	2000-03-10	2000-04-06	Bayly Design Associates Pty Ltd	Power tool
DE10242414A1 (en) *	2002-09-12	2004-03-25	Hilti Ag	Power tool with blower
DE102007000290A1 (en) *	2007-05-24	2008-11-27	Hilti Aktiengesellschaft	Electric hand tool with electronic cooling
US7770660B2 (en) *	2007-11-21	2010-08-10	Black & Decker Inc.	Mid-handle drill construction and assembly process
JP5257658B2 (en)	2008-06-05	2013-08-07	日立工機株式会社	Commutator motor armature and electric tool including the same
JP5454777B2 (en) *	2009-11-12	2014-03-26	日立工機株式会社	Electric tool
DE102010030059A1 (en) *	2010-06-15	2011-12-15	Hilti Aktiengesellschaft	Hand-guided tacker
DE102010045994A1 (en) *	2010-09-18	2012-03-22	Andreas Stihl Ag & Co. Kg	Hand-held implement
RU2694334C1 (en) *	2012-07-04	2019-07-11	Дайсон Текнолоджи Лимитед	Hair dryer and nozzle for hand instrument
JP6127840B2 (en) *	2013-09-02	2017-05-17	日立工機株式会社	Electric tool
AU2014368261B2 (en) *	2013-12-20	2018-04-19	Hitachi Koki Co., Ltd.	Power-actuated tool
US10836019B2 (en) *	2015-01-30	2020-11-17	Koki Holdings Co., Ltd.	Work machine
JP2017094453A (en) *	2015-11-25	2017-06-01	パナソニックＩｐマネジメント株式会社	Electric tool
JP6717124B2 (en)	2015-12-29	2020-07-01	工機ホールディングス株式会社	Electric tool
US10244906B2 (en)	2016-01-08	2019-04-02	Omachron Intellectual Property Inc.	Hand carryable surface cleaning apparatus

2018
- 2018-11-30 EP EP18895951.4A patent/EP3733347B1/en active Active
- 2018-11-30 US US16/957,375 patent/US11554476B2/en active Active
- 2018-11-30 JP JP2019562889A patent/JP6911944B2/en active Active
- 2018-11-30 WO PCT/JP2018/044199 patent/WO2019130981A1/en unknown
- 2018-11-30 CN CN201880083370.2A patent/CN111526971B/en active Active

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20050153636A1 (en) *	2004-01-08	2005-07-14	Makita Corporation	Power tools
US20100270877A1 (en) *	2007-11-08	2010-10-28	Florian Esenwein	Electric power tool with an electric motor
US20110148227A1 (en) *	2008-08-20	2011-06-23	Manfred Schuele	Power tool
JP2014097570A (en) *	2014-01-10	2014-05-29	Hitachi Koki Co Ltd	Electric tool

Also Published As

Publication number	Publication date
JP6911944B2 (en)	2021-07-28
US11554476B2 (en)	2023-01-17
JPWO2019130981A1 (en)	2020-09-24
WO2019130981A1 (en)	2019-07-04
EP3733347A1 (en)	2020-11-04
EP3733347B1 (en)	2023-03-22
CN111526971A (en)	2020-08-11
US20200331138A1 (en)	2020-10-22
CN111526971B (en)	2023-06-16

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